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| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 238 | 135 | 0 | 3419 | |
| Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 238 | 135 | 0 | 1534 | |
| Anhydrite (*) | Not in a structural group | Ca(SO4) | 238 | 135 | 0 | 1588 | |
| Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 238 | 135 | 0 | 1036 | |
| Antarcticite (*) | Not in a structural group | CaCl2·6H2O | 238 | 135 | 0 | 11 | |
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 238 | 135 | 0 | 2060 | |
| Blödite (*) | Blödite | Na2Mg(SO4)2·4H2O | 238 | 135 | 0 | 130 | |
| Boracite (*) | Boracite | Mg3B7O13Cl | 238 | 135 | 0 | 57 | |
| Calcite (*) | Calcite | Ca(CO3) | 238 | 135 | 0 | 27770 | |
| Carnallite (*) | Carnallite | KMgCl3·6H2O | 238 | 135 | 0 | 132 | |
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 238 | 135 | 0 | 27198 | |
| Chlormagaluminite (*) | Hydrotalcite | Mg4Al2(OH)12Cl2(H2O)2 | 238 | 135 | 0 | 3 | |
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 238 | 135 | 0 | 1756 | |
| Cubanite (*) | Cubanite Wurtzite | CuFe2S3 | 238 | 135 | 0 | 802 | |
| Danburite (*) | Danburite | CaB2Si2O8 | 238 | 135 | 0 | 148 | |
| Dashkovaite (*) | Formate | Mg(HCOO)2·2H2O | 180 | 135 | 0 | 2 | |
| Datolite (*) | Gadolinite | CaB(SiO4)(OH) | 238 | 135 | 0 | 498 | |
| Dolomite (*) | None | CaMg(CO3)2 | 238 | 135 | 0 | 9895 | |
| Ekaterinite (*) | None | Ca2B4O7Cl2·2H2O | 180 | 135 | 0 | 1 | |
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 238 | 135 | 0 | 8173 | |
| Fluoborite (*) | None | Mg3(BO3)F3 | 238 | 135 | 0 | 52 | |
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 238 | 135 | 0 | 2740 | |
| Forsterite (*) | Olivine | Mg2(SiO4) | 238 | 135 | 0 | 1188 | |
| Galena (*) | Rocksalt | PbS | 238 | 135 | 0 | 24243 | |
| Goethite (*) | Diaspore | FeO(OH) | 238 | 135 | 0 | 7437 | |
| Halite (*) | Rocksalt | NaCl | 238 | 135 | 0 | 1398 | |
| Hematite (*) | Corundum | Fe2O3 | 238 | 135 | 0 | 14640 | |
| Hibbingite (*) | Atacamite | Fe2+2(OH)3Cl | 238 | 135 | 0 | 13 | |
| Hilgardite (*) | Hilgardite | Ca2B5O9Cl·H2O | 238 | 135 | 0 | 13 | |
| Hydromagnesite (*) | None | Mg5(CO3)4(OH)2·4H2O | 180 | 135 | 0 | 341 | |
| Hydrotalcite (*) | Hydrotalcite | Mg6Al2CO3(OH)16(H2O)4 | 238 | 135 | 0 | 87 | |
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 238 | 135 | 0 | 5433 | |
| Iowaite (*) | Hydrotalcite | Mg6Fe3+2(OH)16Cl2·4H2O | 180 | 135 | 0 | 14 | |
| Kempite (*) | Atacamite | Mn2+2Cl(OH)3 | 238 | 135 | 0 | 3 | |
| Korshunovskite (*) | None | Mg2Cl(OH)3·4H2O | 180 | 135 | 0 | 3 | |
| Lizardite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 238 | 135 | 0 | 359 | |
| Ludwigite (*) | Ludwigite | Mg2Fe3+O2(BO3) | 238 | 135 | 0 | 134 | |
| Magnesioferrite (*) | Spinel | MgFe3+2O4 | 238 | 135 | 0 | 98 | |
| Magnesite (*) | Calcite | Mg(CO3) | 238 | 135 | 0 | 1487 | |
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 238 | 135 | 0 | 14899 | |
| Marcasite (*) | Marcasite | FeS2 | 238 | 135 | 0 | 5674 | |
| Meixnerite (*) | Hydrotalcite | Mg6Al2(OH)16(OH)2·4H2O | 238 | 135 | 0 | 5 | |
| Metaborite (*) | None | HBO2 | 238 | 135 | 0 | 4 | |
| Nesquehonite (*) | None | Mg(CO3)·3H2O | 238 | 135 | 0 | 80 | |
| Opal (*) | Amorphous | SiO2·nH2O | 238 | 135 | 0 | 2994 | |
| Pargasite (*) | Amphibole | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 | 238 | 135 | 0 | 313 | |
| Pentlandite (*) | Pentlandite | (Ni,Fe)9S8 | 238 | 135 | 0 | 1512 | |
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 238 | 135 | 0 | 2273 | |
| Pinnoite (*) | None | MgB2O(OH)6 | 238 | 135 | 0 | 13 | |
| Polyhalite (*) | None | K2Ca2Mg(SO4)4·2H2O | 238 | 135 | 0 | 102 | |
| Priceite (*) | None | Ca2B5O7(OH)5·H2O | 238 | 135 | 0 | 33 | |
| Pyrite (*) | Pyrite | FeS2 | 238 | 135 | 0 | 39462 | |
| Pyroaurite (*) | Hydrotalcite | Mg6Fe3+2(CO3)(OH)16·4H2O | 238 | 135 | 0 | 89 | |
| Pyrrhotite (*) | Nickeline | Fe7S8 | 238 | 135 | 0 | 9056 | |
| Quartz (*) | Quartz | SiO2 | 238 | 135 | 0 | 61156 | |
| Sakhaite (*) | Harkerite | Ca48Mg16(BO3)32(CO3)16·2(H2O,HCl) | 238 | 135 | 0 | 7 | |
| Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 238 | 135 | 0 | 241 | |
| Shabynite (*) | None | Mg5(BO3)(OH)5Cl2·4H2O | 180 | 135 | 0 | 1 | |
| Silver (*) | Copper | Ag | 238 | 135 | 0 | 5186 | |
| Sphalerite (*) | Sphalerite | ZnS | 238 | 135 | 0 | 21482 | |
| Spinel (*) | Spinel | MgAl2O4 | 238 | 135 | 0 | 1934 | |
| Sulfoborite (*) | None | Mg3[B(OH)4]2(SO4)(OH,F)2 | 238 | 135 | 0 | 10 | |
| Sylvite (*) | Rocksalt | KCl | 238 | 135 | 0 | 275 | |
| Szaibélyite (*) | None | MgBO2(OH) | 238 | 135 | 0 | 87 | |
| Thaumasite (*) | Ettringite | Ca3Si(OH)6(CO3)(SO4)·12H2O | 238 | 135 | 0 | 183 | |
| Titanite (*) | Titanite | CaTi(SiO4)O | 238 | 135 | 0 | 4899 | |
| Tremolite (*) | Amphibole | Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 | 238 | 135 | 0 | 2562 | |
| Ulvöspinel (*) | Spinel | Fe2+2TiO4 | 238 | 135 | 0 | 120 |
| Age ID | Locality Notes |
|---|---|
| Michelle_0049 | Original and/or weakly altered dolerite |
| Michelle_0050 | Skarn deposit and explosive pipes, Fe-B mineralization in salt-bearing rocks. |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Michelle_0049 | 238 | 215 | 238-215 | K-Ar | Magmatic stage | 7243 | Korshunovskoye Iron Deposit (Korzunovskoe Iron Deposit; Korshunovskiy Mine; Korshunovskiy Open Pit), Zheleznogorsk (Korshunikha), Irkutsk Oblast, Russia | Korshunovskoye iron deposit | Strakhov et al. (1973) | 10.1080/00206817309475943 | IGR15_703 | From reference: age of "Unaltered and weakly altered dolerites" | |||||||||
| Michelle_0050 | 180 | 135 | 180-135 | K-Ar | Post-magmatic ore forming stage | Dashkovaite, Ekaterinite, Hydromagnesite, Iowaite, Korshunovskite, Shabynite | 7243 | Korshunovskoye Iron Deposit (Korzunovskoe Iron Deposit; Korshunovskiy Mine; Korshunovskiy Open Pit), Zheleznogorsk (Korshunikha), Irkutsk Oblast, Russia | Korshunovskoye iron deposit | Strakhov et al. (1973) | 10.1080/00206817309475943 | IGR15_703 | From reference: age of "Skarnized dolerites and skarns" |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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